:root {
  --login-bg-1: #07111f;
  --login-bg-2: #0f2744;
  --login-accent: #3b82f6;
  --login-glass: rgba(15, 23, 42, 0.55);
  --login-border: rgba(148, 163, 184, 0.28);
  --login-text: #e2e8f0;
  --login-muted: #94a3b8;
}

html, body { height: 100%; }
body.login-body {
  margin: 0;
  min-height: 100vh;
  color: var(--login-text);
  font-family: "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(1200px 600px at 15% 20%, rgba(59, 130, 246, 0.22), transparent 55%),
    radial-gradient(900px 500px at 85% 80%, rgba(14, 165, 233, 0.16), transparent 50%),
    linear-gradient(160deg, var(--login-bg-1), var(--login-bg-2));
}

.login-hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2rem 1.25rem;
}

@media (min-width: 960px) {
  .login-hero {
    grid-template-columns: 1.1fr 0.9fr;
    max-width: 1100px;
    margin: 0 auto;
    place-items: center start;
  }
}

.login-brand {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.login-tagline {
  margin: 0.75rem 0 0;
  color: var(--login-muted);
  font-size: 1.05rem;
}

.glass-card {
  width: min(100%, 420px);
  background: var(--login-glass);
  border: 1px solid var(--login-border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  backdrop-filter: blur(16px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.login-card-title {
  font-size: 1.45rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.login-card-subtitle {
  color: var(--login-muted);
  margin-bottom: 1.25rem;
}

.login-input {
  background: rgba(15, 23, 42, 0.65);
  border-color: var(--login-border);
  color: var(--login-text);
}

.login-input:focus {
  background: rgba(15, 23, 42, 0.85);
  border-color: var(--login-accent);
  color: var(--login-text);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.2);
}

.form-label, .form-check-label { color: var(--login-text); }

.btn-login {
  background: var(--login-accent);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1rem;
  border-radius: 0.75rem;
}

.btn-login:hover {
  background: #2563eb;
  color: #fff;
}